import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'
// import Title from '@/t'

import approval from './modules/approval'
import attendance from './modules/attendance'
import department from './modules/department'
import employee from './modules/employee'
import permission from './modules/permission'
import role from './modules/role'
import salary from './modules/salary'
import social from './modules/social'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
// constantRoutes 常量路由规则（静态路由规则-没有权限的路由规则）
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true // 只要添加了这个hidden:true 不会再左侧侧边导航展示的
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/index'),
        meta: { title: '首页', icon: 'dashboard' } // 路由元信息(路由规则的标识)
      }
    ]
  }

  // 测试组织架构路由规则
  // {
  //   path: '/title',
  //   component: Layout,
  //   children: [
  //     {
  //       path: '',
  //       name: 'Dashboard',
  //       component: () => import('@/views/title/index.vue'),
  //       meta: { title: '首页', icon: 'dashboard' } // 路由元信息(路由规则的标识)
  //     }
  //   ]
  // },

  // 404 page must be placed at the end !!!
  // { path: '*', redirect: '/404', hidden: true }
]

// 所有有权限的路由规则 使用一个单独的数组来维护
// 项目后期对有权限的数组进行筛选  过滤的时候就方便很多
export const asyncRouters = [
  department,
  role,
  attendance,
  employee,
  permission,
  approval,
  salary,
  social
]

const createRouter = () =>
  new Router({
    // 目前处于开发阶段 webpack脚手架环境 脚手架是支持 历史模式 如果项目上线
    // 打包出dist目录 脱离了webpack环境的 如果没对历史模式进行支持
    // 页面就会404问题
    mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    // routes: [...constantRoutes, ...asyncRouters, { path: '*', redirect: '/404', hidden: true }]
    routes: constantRoutes
  })

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
